package cn.tedu.shoot;

import java.awt.image.BufferedImage;

/*天空*/
public class Sky extends FlyingObject {
    private int speed;
    private int y1;

    Sky() {
        super(World.WIDTH, World.HEIGHT, 0, 0);
        speed = 1;
        y1 = -World.HEIGHT;
    }

    public void step() {
        y+=speed;
        y1+=speed;
        if (y==World.HEIGHT){
            y=-World.HEIGHT;
        }if (y1==World.HEIGHT){
            y1=-World.HEIGHT;
        }
    }

    public  BufferedImage getImage(){
       return Images.sky;
    }

    public int getY1(){
        return y1;
    }
}
